//
#include <TimerOne.h>
#include <LiquidCrystal_I2C.h>
//
const int STM_DIR_1    = 5;
const int STM_STP_1    = 6;
//
LiquidCrystal_I2C lcd(0x27, 16, 2);
//
//****************************************************************//
void isr_step()
{

}
/***************************************************/
void setup() 
{
  lcd.init();
  lcd.backlight();

  // Print something
  lcd.setCursor(0, 0);
  lcd.print("START:");

  Timer1.initialize(500);
  Timer1.attachInterrupt(isr_step);
}
/***************************************************/
void loop() 
{
}